Apple Workgroup 9150 Specifikace stáhnout pdf (Strana 34)

Troubleshooting Symptom Charts/System

(Continued)

- 8

System

(Continued)

System

intermittently

crashes or hangs

1 Verify that system software is version 7.1.2 or later

(9150) or 7.5 or later (9150/120).

2 Verify SIMMs are noncomposite and installed in like pairs

(same size/speed).

3 Verify software is known-good and Power Mac compatible.

4 Verify a terminator or video card is installed in the PDS slot.

5 Clear parameter RAM. Hold down <Command> <Option> <P>

<R> during startup but before “Welcome to Macintosh”

appears.

6 Replace DRAM SIMMs. Refer to Memory manual.

7 Reseat ROM, RAM, and cache SIMMs, and reseat terminator

card.

8 Replace cache SIMM or DIMM.

9 Replace logic board. Retain SIMMs.

10 Replace power supply.

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Apple Workgroup 9150 Specifikace Strana 34